| original |
Early Frasnian |
|
France(Boulonnais) |
Taugourdeau-Lantz,J. On the Lower Frasnian microflora of Beaulieu (Boulonnais). |
1960 |
| details |
Middle Frasnian |
|
France(Pas-de-Calais) |
Taugourdeau-Lantz,J. The spores of the Frasnian of the Bas Boulonnais (France). |
1967 |
| details |
Middle Frasnian |
|
France(Pas-de-Calais) |
Taugourdeau-Lantz,J. Spores from the Frasnian of an authorized region, the Boulonnais. |
1971 |
| details |
Early Frasnian |
|
France(Boulonnais) |
Taugourdeau-Lantz,J. Spores from the Frasnian of an authorized region, the Boulonnais. |
1971 |